Tap to view a smaller area in more detail.
Tap to view a larger area in less detail.
Tap to display main menu screen.
Tap to change map view display (3D or 2D).
Tap to adjust/mute/unmute volume.
Current street indicator (if GPS connection). If not, tap to display
GPS Information screen.
(TN30 only) Tap to make a handsfree call.
Connected to power source /
(TN30 only) Indicates Bluetooth on